Immune System Test Quizlet

Immune System Test Quizlet Related

Review Immune System Test Quizlet related questions and content

Which immune system function is most relevant to cancer?

  • A. Suppressing cytokine release
  • B. Promoting adaptive immunity only
  • C. Identifying and eliminating abnormal cells
  • D. Limiting the effectiveness of phagocytes
Correct Answer: C

Rationale: The correct answer is C: Identifying and eliminating abnormal cells. This function is most relevant to cancer because the immune system's ability to recognize and destroy abnormal cells is crucial in preventing the development and spread of cancer. The immune system constantly surveys the body for cells that have mutated or become cancerous, and when identified, it initiates an immune response to eliminate them. This process is essential for maintaining the body's health and preventing cancerous cells from proliferating.

Choice A (Suppressing cytokine release) is incorrect because cytokines play a role in regulating the immune response, which can be important in cancer immunity. Choice B (Promoting adaptive immunity only) is incorrect as both innate and adaptive immune responses are involved in combating cancer. Choice D (Limiting the effectiveness of phagocytes) is incorrect as phagocytes are important in recognizing and destroying cancer cells.

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A nurse has educated a client on an epinephrine autoinjector. What statement by the client indicates additional instruction is needed?

  • A. I don't need to go to the hospital after using it.
  • B. I must carry two autoinjectors with me at all times.
  • C. I will write the expiration date on my calendar.
  • D. This can be injected right through my clothes.
Correct Answer: A

Rationale: The correct answer is A. If the client states they don't need to go to the hospital after using the epinephrine autoinjector, additional instruction is needed. The rationale is that after using an epinephrine autoinjector, it is crucial to seek medical attention immediately due to the potential for severe allergic reactions. Choice B is incorrect because carrying two autoinjectors is recommended in case the first dose is not effective. Choice C is incorrect as it demonstrates good practice in tracking the expiration date. Choice D is incorrect as it is acceptable to inject through clothes in an emergency situation.

Ribosomes associated with cells or organelles have a certain size, which is expressed in Svedberg units. Which associations are incorrect?

  • A. cyanobacteria - 80s
  • B. chloroplasts - 60s
  • C. photosynthetic bacteria - 80s
  • D. green algal cytoplasm - 80s
Correct Answer: A

Rationale: The correct answer is A because cyanobacteria have ribosomes measured in 70s, not 80s. Ribosomes in prokaryotes are either 70s (composed of 50s and 30s subunits) or 80s in eukaryotes (60s and 40s subunits). Choices B, C, and D are incorrect because chloroplasts, photosynthetic bacteria, and green algal cytoplasm all have ribosomes measured in 70s or 80s, consistent with their cell types.

Alumn is an adjuvant that triggers

  • A. TLR4
  • B. DAMPs formation
  • C. NOD1
  • D. TLR9
Correct Answer: B

Rationale: The correct answer is B: DAMPs formation. Alum is known to trigger the release of damage-associated molecular patterns (DAMPs), which are endogenous molecules released by damaged cells. This activation of DAMPs plays a crucial role in initiating and enhancing the immune response. The other choices, TLR4, NOD1, and TLR9, are receptors involved in recognizing specific pathogen-associated molecular patterns (PAMPs) rather than DAMPs. Therefore, they are not directly triggered by alum. This makes choice B the correct answer based on the known mechanism of action of alum as an adjuvant.

Your patient with rheumatoid arthritis (RA) is taking prednisone (Deltasone) and naproxen (Alleve) to reduce inflammation and joint pain. Which of these symptoms is the strongest indicator that a change in therapy may be necessary?

  • A. The patient states that the RA symptoms are worst in the morning.
  • B. The patient complains about having dry eyes.
  • C. The patient has round and moveable nodules just under the skin.
  • D. The patient has stools that are very dark in color.
Correct Answer: D

Rationale: Dark stools can indicate gastrointestinal bleeding which is a serious side effect of NSAIDs like naproxen. This requires immediate attention and possibly a change in therapy. The other symptoms while related to RA do not indicate an urgent need for a change in treatment.

The nurse uses many precautions during IV administration of vesicant chemotherapeutic agents, primarily to prevent

  • A. septicemia
  • B. extravasation
  • C. catheter occlusion
  • D. anaphylactic shock
Correct Answer: B

Rationale: Extravasation of vesicant agents can cause severe tissue damage, so precautions are essential.

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